A Fox News poll shows Trump has the support of 33 percent of likely primary voters in the Granite State, an increase of 6 points since November. Sen. Marco Rubio (R-Fla.) comes in second with 15 percent, with Sen. Ted Cruz (R-Texas) has 12 percent.

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Following behind them is Jeb Bush with 9 percent, Gov. John Kasich (R-Ohio) with 7 percent, Ben Carson at 4 percent and Carly Fiorina at 3 percent.

Gov. Chris Christie (R-N.J.), who was expected to surge in New Hampshire after winning an endorsement from an influential newspaper in the state, tied with Sen. Rand Paul at 5 percent.

Meanwhile, in the Democratic contest, Sen. Bernie Sanders (I-Vt.) is the favorite of 50 percent of primary voters in the state, which is a 5-point increase since November. Hillary Clinton, the front-runner nationally, saw a 7 point drop in the same amount of time, down to 37 percent.

Trump also leads by 33 percent among voters without a college degree and six percent among those with a college degree.

In a separate Iowa poll, Fox News found that Cruz is leading Trump 27 percent to 23 percent, which is similar to what a December poll found in the Hawkeye State.

The poll was conducted Jan. 4 to 7 with a margin of error of 3.5 percent.